.banner_top_big{
display: block;
width: 1000px;
height: 106px;
margin: 0 auto;
background: url(../vbbdesign/adv728-bg.png) left top no-repeat;
clear:both;
}
.advtop-list li {
width: 260px;
height: 72px;
background: url(../vbbdesign/adv250-bg.png) left top no-repeat;
padding: 5px;
float: left;
}
.advtop-list {
overflow: hidden;
display: block;
margin: 5px auto 0;
width: 810px;
}
.advheader-list {
overflow: hidden;
display: block;
}
.advheader-list li {
width: 360px;
height: 100px;
background: url(../vbbdesign/adv360x100-bg.png) left top repeat-x;
float: left;
margin-left:12px;
}
